CN103635685A - Injection valve, and method for producing injection valve - Google Patents

Injection valve, and method for producing injection valve Download PDF

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Publication number
CN103635685A
CN103635685A CN201280031584.8A CN201280031584A CN103635685A CN 103635685 A CN103635685 A CN 103635685A CN 201280031584 A CN201280031584 A CN 201280031584A CN 103635685 A CN103635685 A CN 103635685A
Authority
CN
China
Prior art keywords
valve
plug connector
alignment device
injection
injection valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201280031584.8A
Other languages
Chinese (zh)
Other versions
CN103635685B (en
Inventor
R·瑙曼
J·拜尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN103635685A publication Critical patent/CN103635685A/en
Application granted granted Critical
Publication of CN103635685B publication Critical patent/CN103635685B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14598—Coating tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14598—Coating tubular articles
    • B29C45/14622—Lining the inner or outer surface of tubular articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8015—Provisions for assembly of fuel injection apparatus in a certain orientation, e.g. markings, notches or specially shaped sleeves other than a clip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8046—Fuel injection apparatus manufacture, repair or assembly the manufacture involving injection moulding, e.g. of plastic or metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

The present invention relates to an injection valve, comprising a valve insert (2) and a plug encapsulation (7), wherein the valve insert (2) comprises a valve seat (3) and a valve housing (4), and the valve housing (4) has an aligning device (5) which is set up for aligning the valve insert in an injection moulding tool, and wherein the plastic encapsulation (7) has a second aligning device which is set up for aligning the injection valve during mounting in an internal combustion engine.

Description

The method of injection valve and manufacture injection valve
Technical field
The present invention relates to a kind of Fuelinjection nozzle and a kind of method for the manufacture of this injection valve.
Background technique
Known in different design proposals injection valve at internal-combustion engine burner oil.Here, every kind of different internal-combustion engine must carry out the concrete layout of injection valve beam.This further causes described injection valve must be structured in internal-combustion engine with regard to position.This aligning is usually realized by rotary fixing structure so far, and described rotary fixing structure is arranged on injection valve, is mostly arranged on connector, and can makes position alignment.Here, the general assembly of described injection valve is very expensive, for example, because valve seat with respect to being aligned in assembly process of plug structure, utilizes photographic camera or is connected on the outer aligning surface as position transition part, carries out.Thereby be desirable to provide a kind of especially can be simply and the injection valve of assembling rapidly.
Summary of the invention
The ground of comparing is that described injection valve can be very simply and general assembly rapidly according to advantage of the present invention, that the injection valve of feature that have claim 1 has.Here, compared with prior art, according to injection valve manufacture cost of the present invention, reduce.Implementation according to the present invention is that described injection valve has the first device for described valve plug connector is aimed at spraycan on valve plug connector.Plastic pressure injection encapsulated part according to the present invention also has the second device for aiming at, and when described the second device is arranged to make described injection valve in being assemblied in internal-combustion engine, aims at.According to the present invention, according to internal-combustion engine, spraycan is set, wherein, described valve plug connector is because the first alignment device on valve casing is arranged in spraycan in the mode being aligned.Then spray and be positioned at the plastic pressure injection encapsulated part on injection valve, be particularly useful for described connector and perhaps also have outer plastic part.Here, for the second device of aiming at, be formed on described plastic pressure injection encapsulated part, thereby before described valve plug connector is in spraycan, aim at, the course of the beam of injection valve is aligned with respect to the second device for aiming on described plastic pressure injection encapsulated part.Therefore fixed relationship and and then described course of the beam between two alignment devices and valve seat are provided.Therefore, even as so far to the internal-combustion engine of every type, spraycan must be set, the general assembly of certain described injection valve can be significantly simplified.In order to be finally assemblied in internal-combustion engine, second alignment device that must only protrude from cylinder head when mounted at parts of internal-combustion engine, for example, is aimed on track, and is arranged on above it, especially welding.Therefore, according to the present invention, with minimum cost, on described plastic pressure injection encapsulated part, be provided for the reference point of aiming at, described reference point is unique according to internal-combustion engine, thereby for every internal-combustion engine, may carry out the concrete beacon alignment of described injection valve, wherein still can use valve plug connector of the same race, but only according to spraycan, be inserted in different positions.
Dependent claims illustrates advantageous modification of the present invention.
Preferably, described for the contiguous valve seat of the first device aimed at be arranged in the end regions of described valve plug connector.Therefore obtain the described very compact layout of device for aiming at.
Particularly preferably, be positioned at the device for aiming on valve casing and comprise at least one first surface and one second.Described face is made for alignment device simply, and can be by valve plug connector quick insertion in spraycan.Alternatively or additionally, describedly for the device of aiming at, comprise the rib of protrusion and/or the lug of groove and/or protrusion.
Particularly preferably, described the first and second faces are here arranged in parallel to each other.Alternatively, two faces are arranged mutually at angle, wherein particularly preferably, a Transition edges are set between two faces.
The invention still further relates to a kind of method for the manufacture of injection valve, wherein, in first step, valve plug connector is provided with at least one the device of aiming at for valve plug connector.Then, described valve plug connector is directed in spraycan, and wherein, described valve plug connector utilizes the first aligned units to aim in spraycan.Then, described valve plug connector is sealed at least in part with plastics, to such an extent as to described plastic pressure injection encapsulated part has the second device for aiming at.When installing according to injection valve of the present invention, described injection valve aim at be disposed on plastic pressure injection encapsulated part, the second alignment device for aiming at.Therefore, in plastic pressure injection encapsulated part process, opening relationships between the second injected aligned units on the first aligned units on valve plug connector and described plastic pressure injection encapsulated part, the beam of described injection valve carries out gauge by the installation direction of the second alignment device setting thus.
The present invention not only can be used for self-igniting internal combustion engine, also can be used for the internal-combustion engine of outside igniting.
Accompanying drawing explanation
Below with reference to the accompanying drawings, describe the preferred embodiments of the present invention in detail, in the accompanying drawings:
Fig. 1 illustrates the schematic side view of injection valve according to the preferred embodiment of the invention;
Fig. 2 illustrates the schematic diagram of observing from front side of the injection valve of Fig. 1.
Embodiment
The schematically illustrated injection valve according to the preferred embodiment of the invention 1 of Fig. 1.Injection valve 1 comprises valve plug connector 2, and injection valve 1 can be configured to magnetic valve or piezo electric valve in known manner.Valve seat 3 is set on one end of valve plug connector 2, on valve seat 3, carries out fuel injection.
Injection valve 1 according to the present invention also comprises plastic pressure injection encapsulated part 7, and in this embodiment, plastic pressure injection encapsulated part 7 is the pressure injection-moulded encapsulation pieces of plug.
Also especially as shown in Figure 2, valve plug connector 2 has valve casing 4, on the outside of the contiguous valve seat 3 of valve casing 4, alignment device 5 is set.Alignment device 5 comprises first surface 6a and second 6b.Two face 6a, 6b arrange each other with predetermined angle and have betwixt a Transition edges 9.The form of further, constructing the second alignment device 8, the second alignment devices 8 on plastic pressure injection encapsulated part 7 is another side.
Now, according to the present invention, when manufacturing injection valve 1, valve plug connector 2 utilizes the first alignment device 5 to be inserted in spray to cast model, and guarantees that two face 6a, 6b of alignment device 5 make valve plug connector 2 insert in described spray to cast model with predetermined direction.Then, in next step, plastic pressure injection encapsulated part 7 is injected on valve plug connector 7, wherein, corresponding with the shape of described spray to cast instrument, and the second alignment device 8 is injected is the form of face.Therefore, by course of injection, guarantee that the second alignment device 8 is aligned with respect to valve plug connector 2.
Therefore, according to the present invention, plastic pressure injection encapsulated part 7 can be ejected in correct position on valve plug connector 2, thereby in the back to back structure of described injection valve, only needs to aim at the second alignment device 8 of plastic pressure injection encapsulated part 7 in internal-combustion engine.Especially, when general assembly injection valve, according to the present invention, avoid utilizing photographic camera to carry out aligning high cost and time-consuming., according to the present invention, do not need additional parts here, but only must prepare different spray to cast models in advance to the internal-combustion engine of every type, can course of injection correspondingly being aimed to valve plug connector.To various injection valves, different manufacturers can also use identical valve plug connector 2 according to the present invention, and valve plug connector 2 utilizes respectively the first alignment device 5 to aim at individually in different spray to cast models.

Claims (10)

1. an injection valve, comprising:
-valve plug connector (2), and
The pressure injection-moulded encapsulation piece of-plug (7),
-wherein, described valve plug connector (2) comprises valve seat (3) and valve casing (4), and described valve casing (4) has the first alignment device (5), and described the first alignment device (5) is provided for making described valve plug connector to aim in spraycan, and
-wherein, described plastic pressure injection encapsulated part (7) has the second alignment device (8), when being provided for making described injection valve in being arranged on internal-combustion engine, it aims at.
2. injection valve according to claim 1, is characterized in that, the contiguous valve seat of described the first alignment device (5) is arranged in the end regions of described valve plug connector (2) (3).
3. according to injection valve in any one of the preceding claims wherein, it is characterized in that, described the first alignment device has at least one first surface (6a) and one second (6b).
4. injection valve according to claim 3, is characterized in that, described first surface (6a) is parallel to second and arranges (6b).
5. injection valve according to claim 3, is characterized in that, described first surface (6a) is aimed at an angle (α) with respect to second (6b).
6. injection valve according to claim 5, is characterized in that, described first surface (6a) and second (6b) have a Transition edges (9) between them.
7. according to injection valve in any one of the preceding claims wherein, it is characterized in that, described the second alignment device (8) comprises a face.
8. for the manufacture of a method for injection valve (1), comprise the following steps:
-provide a valve plug connector (2), described valve plug connector (2) to there is the first alignment device (5) to aim at described valve plug connector;
-described valve plug connector (2) is imported in spraycan, wherein, described valve plug connector (2) utilizes described the first alignment device (5) to be aligned in described spraycan, and
-pressure injection-moulded described valve the plug connector (2) of sealing is to make plastic pressure injection encapsulated part (7), so that described plastic pressure injection encapsulated part (7) has the second alignment device (8), described injection valve is aligned while utilizing described the second alignment device (8) in being arranged on internal-combustion engine.
9. method according to claim 8, is characterized in that, described the first alignment device (5) has at least one first surface (6a) and one second (6b) and/or the second alignment device (8) and comprises a face.
10. method according to claim 8 or claim 9, is characterized in that, the contiguous valve seat of described the first alignment device (5) is arranged on the end regions of described valve plug connector (2) (3).
CN201280031584.8A 2011-06-29 2012-05-15 Injection valve and the method manufacturing injection valve Active CN103635685B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011078251A DE102011078251A1 (en) 2011-06-29 2011-06-29 Injection valve and method for producing an injection valve
DE102011078251.6 2011-06-29
PCT/EP2012/058993 WO2013000619A1 (en) 2011-06-29 2012-05-15 Injection valve, and method for producing an injection valve

Publications (2)

Publication Number Publication Date
CN103635685A true CN103635685A (en) 2014-03-12
CN103635685B CN103635685B (en) 2016-07-06

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ID=46124347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280031584.8A Active CN103635685B (en) 2011-06-29 2012-05-15 Injection valve and the method manufacturing injection valve

Country Status (7)

Country Link
US (2) US10113524B2 (en)
EP (1) EP2726730B1 (en)
JP (1) JP5786090B2 (en)
KR (1) KR101900659B1 (en)
CN (1) CN103635685B (en)
DE (1) DE102011078251A1 (en)
WO (1) WO2013000619A1 (en)

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DE102015226452A1 (en) * 2015-12-22 2017-06-22 Robert Bosch Gmbh Valve for metering a fluid
EP3301293A1 (en) * 2016-09-30 2018-04-04 Continental Automotive GmbH Long injector for an internal combustion engine
GB2602649B (en) * 2021-01-07 2023-01-04 Delphi Automotive Systems Lux Fuel injector

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CN1220723A (en) * 1997-03-26 1999-06-23 罗伯特·博施有限公司 Fuel-injection valve, method for producing and use of the same
US6105884A (en) * 1999-09-15 2000-08-22 Delphi Technologies, Inc. Fuel injector with molded plastic valve guides
US6186421B1 (en) * 1999-12-06 2001-02-13 Delphi Technologies, Inc. Fuel Injector
US6302340B1 (en) * 1999-05-14 2001-10-16 Siemans Automotive Corporation Post electrical plug assembly
DE10108464A1 (en) * 2001-02-22 2002-09-05 Bosch Gmbh Robert Fuel injector
DE102006036106A1 (en) * 2006-08-02 2008-02-07 Siemens Ag Contact device manufacturing method for piezo actuator of leakingless common rail injector, involves providing parallel contact guides, where one guide has contact pin for electrically contacting external electrode and contact plate

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Publication number Priority date Publication date Assignee Title
CN1220723A (en) * 1997-03-26 1999-06-23 罗伯特·博施有限公司 Fuel-injection valve, method for producing and use of the same
US6302340B1 (en) * 1999-05-14 2001-10-16 Siemans Automotive Corporation Post electrical plug assembly
US6105884A (en) * 1999-09-15 2000-08-22 Delphi Technologies, Inc. Fuel injector with molded plastic valve guides
US6186421B1 (en) * 1999-12-06 2001-02-13 Delphi Technologies, Inc. Fuel Injector
DE10108464A1 (en) * 2001-02-22 2002-09-05 Bosch Gmbh Robert Fuel injector
DE102006036106A1 (en) * 2006-08-02 2008-02-07 Siemens Ag Contact device manufacturing method for piezo actuator of leakingless common rail injector, involves providing parallel contact guides, where one guide has contact pin for electrically contacting external electrode and contact plate

Also Published As

Publication number Publication date
EP2726730B1 (en) 2016-08-17
DE102011078251A1 (en) 2013-01-03
JP5786090B2 (en) 2015-09-30
CN103635685B (en) 2016-07-06
JP2014517214A (en) 2014-07-17
US10113524B2 (en) 2018-10-30
KR101900659B1 (en) 2018-11-08
EP2726730A1 (en) 2014-05-07
WO2013000619A1 (en) 2013-01-03
US20140203108A1 (en) 2014-07-24
US11073120B2 (en) 2021-07-27
US20190032617A1 (en) 2019-01-31
KR20140034259A (en) 2014-03-19

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